Alert archive / Texas / Flash Flood Warnings in 2014

Flash Flood Warning 21, NWS Austin/San Antonio, TX

June 20, 2014Edwards County, Kinney County, Maverick County, Texas

NWS Austin/San Antonio, TX issued this flash flood warning at Jun 20, 2014, 3:46 AM CDT for Edwards County, Kinney County, Maverick County, Texas. It was in force for 3 hr. 1 report came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 20, 2014, 3:46 AM CDT (08:46 UTC)
Expired
Jun 20, 2014, 6:45 AM CDT
In force
3 hr
Issued by
NWS Austin/San Antonio, TX
Area
Storm-based polygon
Flood severity
None

Counties Edwards County, TX, Kinney County, TX, Maverick County, TX

The radar

The Laughlin AFB radar (KDFX), 28 km from the middle of the area, began a volume at 08:46 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 20, 4:00 AM CDTFLASH FLOODBrackettville, TXSOME RESIDENTS IN BRACKETVILLE ARE BEING EVACUATED FROM HOMES. ON GOING HEAVY RAIN HAS RESULTED IN RADAR ESTIMATES OF 10 TO 12 INCHES OF RAIN OVER THE LAST 8 TO 10 HOURS.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Del Rio, TX (KDLF), launched 00:00Z, 8.8 hours before the alert went out and 32 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Del Rio, TX at 00:00Z on 2014-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 191 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Del Rio, TX at 00:00Z on 2014-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -36 square meters per square second.193958Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
191 J/kg
Mixed-layer CIN
-10 J/kg
Mixed-layer LCL
978 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
-36 m²/s²
0-3 km storm-relative helicity
33 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.6

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

002 
WGUS54 KEWX 200846
FFWEWX
TXC137-271-323-201145-
/O.NEW.KEWX.FF.W.0021.140620T0846Z-140620T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
346 AM CDT FRI JUN 20 2014

THE NATIONAL WEATHER SERVICE IN AUSTIN SAN ANTONIO HAS ISSUED A

* FLASH FLOOD WARNING FOR...
  SOUTHWESTERN EDWARDS COUNTY IN SOUTH CENTRAL TEXAS...
  KINNEY COUNTY IN SOUTH CENTRAL TEXAS...
  THIS INCLUDES THE CITIES OF...SPOFFORD...BRACKETTVILLE...
  MAVERICK COUNTY IN SOUTH CENTRAL TEXAS...
  THIS INCLUDES THE CITY OF QUEMADO...

* UNTIL 645 AM CDT

* AT 336 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS CONTINUED TO 
REPORT FLASH FLOODING AND NUMEROUS ROAD CLOSURES FROM EARLIER 
THUNDERSTORMS OVER SOUTHERN KINNEY AND NORTHERN MAVERICK 
COUNTIES...WHERE A WIDESPREAD 6 TO 12 INCHES OF RAINFALL 
OCCURRED...WITH ISOLATED AMOUNTS EXCEEDING 15 INCHES. TRAVEL IS 
HIGHLY DISCOURAGED EARLY THIS MORNING ACROSS THIS AREA...AS 
DANGEROUS AND LIFE THREATENING FLASH FLOODING IS OCCURRING.

THE HEAVY RAINFALL IS SHIFTING NORTH INTO NORTHERN KINNEY AND 
SOUTHWESTERN EDWARDS COUNTIES...WHERE 2 TO 4 INCHES OF RAINFALL WILL 
BE POSSIBLE...PRODUCING FLASH FLOODING.

* LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO AMANDA...
  STANDART...ANACACHO...ALAMO VILLAGE AND CARTA VALLEY

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

&&

LAT...LON 2891 10065 2909 10068 2911 10072 2933 10073
      2934 10071 2987 10070 2974 10012 2899 10011
      2881 10056

$$
1 follow-up statement
269 
WGUS74 KEWX 200957
FFSEWX

FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE AUSTIN/SAN ANTONIO TX
457 AM CDT FRI JUN 20 2014

TXC137-201001-
/O.CAN.KEWX.FF.W.0021.000000T0000Z-140620T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
EDWARDS TX-
457 AM CDT FRI JUN 20 2014

...THE FLASH FLOOD WARNING HAS BEEN CANCELLED FOR SOUTHWESTERN
EDWARDS COUNTY...

THE THUNDERSTORMS WITH HEAVY RAINFALL ARE WEAKENING AND MOVING INTO 
VAL VERDE COUNTY. FLASH FLOODING IS NOT EXPECTED ACROSS EDWARDS 
COUNTY.

LAT...LON 2891 10065 2909 10068 2911 10072 2933 10073
      2934 10071 2962 10070 2962 10013 2899 10011
      2882 10057

$$

TXC271-323-201145-
/O.CON.KEWX.FF.W.0021.000000T0000Z-140620T1145Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
KINNEY TX-MAVERICK TX-
457 AM CDT FRI JUN 20 2014

...A FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 645 AM CDT FOR
MAVERICK AND KINNEY COUNTIES...

AT 445 AM CDT...LOCAL LAW ENFORCEMENT OFFICIALS CONTINUED TO REPORT 
SEVERAL FLOODED HIGHWAYS AND FARM TO MARKET ROADS ACROSS KINNEY AND 
NORTHERN MAVERICK COUNTIES. IN ADDITION...SOME RESIDENTS WERE BEING 
EVACUATED FROM HOMES IN BRACKETVILLE DUE TO FLOODING.

DESPITE THE HEAVY RAINFALL MOVING OUT OF THE WARNED AREA...FLASH 
FLOODING WILL CONTINUE THROUGH THE EARLY MORNING GIVEN THE EARLIER 
WIDESPREAD HEAVY RAINFALL THAT FELL. BETWEEN 6 AND 12 INCHES FELL 
ACROSS NORTHERN MAVERICK AND SOUTHERN AND CENTRAL KINNEY 
COUNTIES...WITH RADAR ESTIMATING A POCKET OF 15 TO 18 INCHES 
POSSIBLE NEAR THE COUNTY LINE. TRAVEL IS HIGHLY DISCOURAGED THROUGH 
THE EARLIER MORNING AS DANGEROUS AND LIFE THREATENING FLASH FLOODING 
CONTINUES. 

LOCATIONS IN THE WARNING INCLUDE BUT ARE NOT LIMITED TO AMANDA...
STANDART...BRACKETTVILLE AND ALAMO VILLAGE

PRECAUTIONARY/PREPAREDNESS ACTIONS...

BE ESPECIALLY CAUTIOUS AT NIGHT WHEN IT IS HARDER TO RECOGNIZE THE
DANGERS OF FLOODING. IF FLASH FLOODING IS OBSERVED ACT QUICKLY. MOVE
UP TO HIGHER GROUND TO ESCAPE FLOOD WATERS. DO NOT STAY IN AREAS
SUBJECT TO FLOODING WHEN WATER BEGINS RISING.

MOST FLOOD DEATHS OCCUR IN AUTOMOBILES. NEVER DRIVE YOUR VEHICLE INTO
AREAS WHERE THE WATER COVERS THE ROADWAY. FLOOD WATERS ARE USUALLY
DEEPER THAN THEY APPEAR. JUST ONE FOOT OF FLOWING WATER IS POWERFUL
ENOUGH TO SWEEP VEHICLES OFF THE ROAD. WHEN ENCOUNTERING FLOODED
ROADS MAKE THE SMART CHOICE...TURN AROUND...DONT DROWN.

&&

LAT...LON 2891 10065 2909 10068 2911 10072 2933 10073
      2934 10071 2962 10070 2962 10013 2899 10011
      2882 10057

$$

76

The office that day

Everything else NWS Austin/San Antonio, TX issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 7:04 PM CDTAreal Flood AdvisoryEWXKinney, Maverick3 hr
Jun 19, 7:31 PM CDTSpecial Weather StatementEWXKinney59 min
Jun 19, 7:32 PM CDTFlash Flood WarningEWXMaverick3 hr
Jun 19, 8:08 PM CDTFlash Flood WarningEWXKinney, Val Verde5 hr
Jun 19, 10:12 PM CDTFlash Flood WarningEWXKinney3 hr
Jun 20, 12:49 AM CDTFlash Flood WarningEWXKinney, Maverick3 hr
Jun 20, 1:09 AM CDTFlash Flood WatchEWXEdwards, Kinney, Maverick, Val Verde11 hr
Jun 20, 1:56 AM CDTFlash Flood WarningEWXVal Verde3 hr
Jun 20, 4:09 AM CDTFlash Flood WarningEWXVal Verde3 hr
Jun 20, 6:41 AM CDTRiver Flood WarningEWXVal Verde15 hr
Jun 20, 7:02 AM CDTFlash Flood WarningEWXVal Verde3 hr
Jun 20, 7:10 AM CDTAreal Flood AdvisoryEWXEdwards, Kinney, Maverick110 min
Jun 20, 10:04 AM CDTFlash Flood WarningEWXVal Verde3 hr
Jun 20, 10:12 AM CDTAreal Flood AdvisoryEWXEdwards, Kinney, Maverick, Val Verde8 hr
Jun 20, 11:01 AM CDTRiver Flood WarningEWXVal Verde10 hr
Jun 20, 11:47 AM CDTRiver Flood WarningEWXVal Verde21 hr

Nearby

Flash Flood Warnings in Texas, 2014Every flash flood warning in 2014

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.